TopicConfig.java

/**
 * $Id: TopicConfig.java 1831 2013-05-16 01:39:51Z shijia.wxr $
 */
package com.alibaba.rocketmq.common;

/**
 * Topic����
 * 
 * @author vintage.wang@gmail.com shijia.wxr@taobao.com
 */
public class TopicConfig {
    public static int DefaultReadQueueNums = 16;
    public static int DefaultWriteQueueNums = 16;

    private static final String SEPARATOR = " ";

    private String topicName;
    private int readQueueNums = DefaultReadQueueNums;
    private int writeQueueNums = DefaultWriteQueueNums;
    private int perm = MixAll.PERM_READ | MixAll.PERM_WRITE;
    private TopicFilterType topicFilterType = TopicFilterType.MULTI_TAG;


    public TopicConfig(String topicName) {
        this.topicName = topicName;
    }


    public TopicConfig(String topicName, int readQueueNums, int writeQueueNums, int perm) {
        this.topicName = topicName;
        this.readQueueNums = readQueueNums;
        this.writeQueueNums = writeQueueNums;
        this.perm = perm;
    }


    public String encode() {
        StringBuilder sb = new StringBuilder();

        // 1
        sb.append(this.topicName);
        sb.append(SEPARATOR);

        // 2
        sb.append(this.readQueueNums);
        sb.append(SEPARATOR);

        // 3
        sb.append(this.writeQueueNums);
        sb.append(SEPARATOR);

        // 4
        sb.append(this.perm);
        sb.append(SEPARATOR);

        // 5
        sb.append(this.topicFilterType);

        return sb.toString();
    }


    public boolean decode(final String in) {
        String[] strs = in.split(SEPARATOR);
        if (strs != null && strs.length == 5) {
            this.topicName = strs[0];

            this.readQueueNums = Integer.parseInt(strs[1]);

            this.writeQueueNums = Integer.parseInt(strs[2]);

            this.perm = Integer.parseInt(strs[3]);

            this.topicFilterType = TopicFilterType.valueOf(strs[4]);

            return true;
        }

        return false;
    }


    public String getTopicName() {
        return topicName;
    }


    public void setTopicName(String topicName) {
        this.topicName = topicName;
    }


    public int getReadQueueNums() {
        return readQueueNums;
    }


    public void setReadQueueNums(int readQueueNums) {
        this.readQueueNums = readQueueNums;
    }


    public int getWriteQueueNums() {
        return writeQueueNums;
    }


    public void setWriteQueueNums(int writeQueueNums) {
        this.writeQueueNums = writeQueueNums;
    }


    public int getPerm() {
        return perm;
    }


    public void setPerm(int perm) {
        this.perm = perm;
    }


    public TopicFilterType getTopicFilterType() {
        return topicFilterType;
    }


    public void setTopicFilterType(TopicFilterType topicFilterType) {
        this.topicFilterType = topicFilterType;
    }


    @Override
    public boolean equals(Object obj) {
        TopicConfig other = (TopicConfig) obj;
        if (other != null) {
            return this.topicName.equals(other.topicName) && this.readQueueNums == other.readQueueNums
                    && this.writeQueueNums == other.writeQueueNums && this.perm == other.perm
                    && this.topicFilterType == other.topicFilterType;
        }

        return false;
    }


    @Override
    public String toString() {
        return "TopicConfig [topicName=" + topicName + ", readQueueNums=" + readQueueNums + ", writeQueueNums="
                + writeQueueNums + ", perm=" + MixAll.perm2String(perm) + ", topicFilterType=" + topicFilterType
                + "]";
    }
}